Practice set 3.21. Two circleshaving radii 3.5 cm and 4.8 cm touch eac – InterviewSolution

1.

Practice set 3.21. Two circleshaving radii 3.5 cm and 4.8 cm touch each other internally. Findthe distance between their centres.

Answer»

Let R and r are the Radii of two

circles.

R = 4.8 cm,

r = 3.5 cm

Distance between two centres

= R - r

= 4.8 cm - 3.5 cm

= 1.3 cm

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